Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer
Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
/*
* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "dtc.h"
#include "srcpos.h"
#include <getopt.h>
#include "version_gen.h"
#ifdef _WIN32
#include <fcntl.h>
#include <io.h>
#endif
/*
* Command line options
*/
int quiet; /* Level of quietness */
int reservenum; /* Number of memory reservation slots */
int minsize; /* Minimum blob size */
int padsize; /* Additional padding to blob */
char *join_path(const char *path, const char *name)
{
int lenp = strlen(path);
int lenn = strlen(name);
int len;
int needslash = 1;
char *str;
len = lenp + lenn + 2;
if ((lenp > 0) && (path[lenp-1] == '/')) {
needslash = 0;
len--;
}
str = xmalloc(len);
memcpy(str, path, lenp);
if (needslash) {
str[lenp] = '/';
lenp++;
}
memcpy(str+lenp, name, lenn+1);
return str;
}
static void fill_fullpaths(struct node *tree, const char *prefix)
{
struct node *child;
const char *unit;
tree->fullpath = join_path(prefix, tree->name);
unit = strchr(tree->name, '@');
if (unit)
tree->basenamelen = unit - tree->name;
else
tree->basenamelen = strlen(tree->name);
for_each_child(tree, child)
fill_fullpaths(child, tree->fullpath);
}
static void __attribute__ ((noreturn)) usage(int error)
{
FILE *f = error ? stderr : stdout;
fprintf(f, "Usage:\n");
fprintf(f, "\tdtc [options] <input file>\n");
fprintf(f, "\nOptions:\n");
fprintf(f, "\t-h\n");
fprintf(f, "\t\tThis help text\n");
fprintf(f, "\t-q\n");
fprintf(f, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
fprintf(f, "\t-I <input format>\n");
fprintf(f, "\t\tInput formats are:\n");
fprintf(f, "\t\t\tdts - device tree source text\n");
fprintf(f, "\t\t\tdtb - device tree blob\n");
fprintf(f, "\t\t\tfs - /proc/device-tree style directory\n");
fprintf(f, "\t-o <output file>\n");
fprintf(f, "\t-O <output format>\n");
fprintf(f, "\t\tOutput formats are:\n");
fprintf(f, "\t\t\tdts - device tree source text\n");
fprintf(f, "\t\t\tdtb - device tree blob\n");
fprintf(f, "\t\t\tasm - assembler source\n");
fprintf(f, "\t-V <output version>\n");
fprintf(f, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
fprintf(f, "\t-R <number>\n");
fprintf(f, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
fprintf(f, "\t-S <bytes>\n");
fprintf(f, "\t\tMake the blob at least <bytes> long (extra space)\n");
fprintf(f, "\t-p <bytes>\n");
fprintf(f, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
fprintf(f, "\t-b <number>\n");
fprintf(f, "\t\tSet the physical boot cpu\n");
fprintf(f, "\t-f\n");
fprintf(f, "\t\tForce - try to produce output even if the input tree has errors\n");
fprintf(f, "\t-v\n");
fprintf(f, "\t\tPrint DTC version and exit\n");
fprintf(f, "\n");
fprintf(f, "Report bugs to %s\n", BUG_URL);
exit(error ? 3 : 0);
}
int main(int argc, char *argv[])
{
struct boot_info *bi;
const char *inform = "dts";
const char *outform = "dts";
const char *outname = "-";
int force = 0, check = 0;
const char *arg;
int opt;
FILE *outf = NULL;
int outversion = DEFAULT_FDT_VERSION;
long long cmdline_boot_cpuid = -1;
static const struct option longopts[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{NULL, 0, NULL, 0}
};
quiet = 0;
reservenum = 0;
minsize = 0;
padsize = 0;
while ((opt = getopt_long(argc, argv, "hI:O:o:V:R:S:p:fcqb:v",
longopts, NULL)) != EOF) {
switch (opt) {
case 'I':
inform = optarg;
break;
case 'O':
outform = optarg;
break;
case 'o':
outname = optarg;
break;
case 'V':
outversion = strtol(optarg, NULL, 0);
break;
case 'R':
reservenum = strtol(optarg, NULL, 0);
break;
case 'S':
minsize = strtol(optarg, NULL, 0);
break;
case 'p':
padsize = strtol(optarg, NULL, 0);
break;
case 'f':
force = 1;
break;
case 'c':
check = 1;
break;
case 'q':
quiet++;
break;
case 'b':
cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
break;
case 'v':
printf("Version: %s\n", DTC_VERSION);
exit(0);
case 'h':
usage(0);
default:
usage(1);
}
}
if (argc > (optind+1))
usage(1);
else if (argc < (optind+1))
arg = "-";
else
arg = argv[optind];
/* minsize and padsize are mutually exclusive */
if (minsize && padsize)
die("Can't set both -p and -S\n");
fprintf(stderr, "DTC: %s->%s on file \"%s\"\n",
inform, outform, arg);
if (streq(inform, "dts"))
bi = dt_from_source(arg);
else if (streq(inform, "fs"))
bi = dt_from_fs(arg);
else if(streq(inform, "dtb"))
bi = dt_from_blob(arg);
else
die("Unknown input format \"%s\"\n", inform);
if (cmdline_boot_cpuid != -1)
bi->boot_cpuid_phys = cmdline_boot_cpuid;
fill_fullpaths(bi->dt, "");
process_checks(force, bi);
if (streq(outname, "-")) {
outf = stdout;
} else {
outf = fopen(outname, "w");
if (! outf)
die("Couldn't open output file %s: %s\n",
outname, strerror(errno));
}
if (streq(outform, "dts")) {
dt_to_source(outf, bi);
} else if (streq(outform, "dtb")) {
#ifdef _WIN32
_setmode(_fileno(outf), _O_BINARY);
#endif
dt_to_blob(outf, bi, outversion);
} else if (streq(outform, "asm")) {
dt_to_asm(outf, bi, outversion);
} else if (streq(outform, "null")) {
/* do nothing */
} else {
die("Unknown output format \"%s\"\n", outform);
}
exit(0);
}